EP1578652B1 - Master cylinder brake control device - Google Patents

Master cylinder brake control device Download PDF

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Publication number
EP1578652B1
EP1578652B1 EP03785845A EP03785845A EP1578652B1 EP 1578652 B1 EP1578652 B1 EP 1578652B1 EP 03785845 A EP03785845 A EP 03785845A EP 03785845 A EP03785845 A EP 03785845A EP 1578652 B1 EP1578652 B1 EP 1578652B1
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EP
European Patent Office
Prior art keywords
master cylinder
members
reservoir
coupling
female
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Expired - Lifetime
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EP03785845A
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German (de)
French (fr)
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EP1578652A1 (en
Inventor
Remi Demersseman
Philippe Come
Thierry Quelleu
Nicolas Gaschet
Jean-Michel L'aot
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/08—Insurance

Definitions

  • the present invention relates to a master cylinder brake control device.
  • a brake control device for a motor vehicle of the type comprising a brake fluid reservoir carried by a master brake control cylinder body and connected to this body by means hydraulic connecting device comprising two pairs of male and female complementary connecting members, fitted one inside the other, carried by the reservoir and the master cylinder body, these connecting members having generally tubular shapes of axes substantially parallel to a joint direction common to the connecting elements, said interlocking direction.
  • the master cylinder is of the tandem type, the two pairs of complementary connecting members respectively connecting the reservoir to two primary and secondary chambers of the master cylinder.
  • the master cylinder is usually intended to distribute the brake fluid under pressure in a hydraulic braking circuit to which it is connected.
  • the two female connecting members are formed in the master cylinder body and open into a bearing seat of the reservoir on the body.
  • the seal between each female connection member and the corresponding male connection member is provided by an annular sealing gasket interposed between these complementary connecting members.
  • This seal is usually made of elastically deformable material, especially elastomer.
  • the filling of the hydraulic brake circuit is performed on the vehicle assembly line by introducing the high pressure brake fluid (for example 10 bar) into the tank carried by the master cylinder.
  • the high pressure brake fluid for example 10 bar
  • the reservoir undergoes stresses tending in particular to move it relative to the master cylinder body substantially parallel to a plane perpendicular to the direction of engagement of the actuating members. connection.
  • the seals inserted between the complementary connecting members are deformed so as to have two diametrically opposite parts, one of which is compressed between the complementary edges of the male and female connection members and the other is loosened by edge of the female member thus creating an undesirable leakage of brake fluid.
  • the invention is in particular to limit the risk of brake fluid leakage between the male and female connection members during filling of the hydraulic circuit under high pressure braking.
  • the present invention relates to a master cylinder brake control device.
  • the document DE44 30168 is considered as the closest state of the art in the state of the art a brake control device for a motor vehicle, of the type comprising a brake fluid reservoir carried by a brake control master cylinder body and connected to this body by hydraulic connection means comprising two pairs of complementary male and female connecting members, fitted into one another, carried by the reservoir and the master cylinder body, these connecting members having shapes tubular general axes substantially parallel to a joint direction common to the connecting elements, said interlocking direction.
  • the master cylinder is of the tandem type, the two pairs of complementary connecting members respectively connecting the reservoir to two primary and secondary chambers of the master cylinder.
  • the master cylinder is usually intended to distribute the brake fluid under pressure in a hydraulic braking circuit to which it is connected.
  • the two female connecting members are formed in the master cylinder body and open into a bearing seat of the reservoir on the body.
  • the seal between each female connection member and the corresponding male connection member is provided by an annular sealing gasket interposed between these complementary connecting members.
  • This seal is usually made of elastically deformable material, especially elastomer.
  • the filling of the hydraulic brake circuit is performed on the vehicle assembly line by introducing the high pressure brake fluid (for example 10 bar) into the tank carried by the master cylinder.
  • the high pressure brake fluid for example 10 bar
  • the reservoir undergoes stresses tending in particular to move it relative to the master cylinder body substantially parallel to a plane perpendicular to the direction of engagement of the actuating members. connection.
  • the seals inserted between the complementary connecting members are deformed so as to have two diametrically opposite parts, one of which is compressed between the complementary edges of the male and female connection members and the other is loosened by edge of the female member thus creating an undesirable leakage of brake fluid.
  • the invention is in particular to limit the risk of brake fluid leakage between the male and female connection members during filling of the hydraulic circuit under high pressure braking.
  • the subject of the invention is a brake control device for a motor vehicle, of the aforementioned type, characterized in that it comprises at least one pair of complementary male and female members, distinct from the hydraulic connection means, carried by the reservoir and the master cylinder body, nested one in the other substantially parallel to the direction of engagement to immobilize the reservoir relative to the master cylinder body substantially parallel to a plane perpendicular to the direction of nesting.
  • the control device 10 comprises a master cylinder 12 provided with a body 14 carrying a reservoir 16 of brake fluid.
  • the body 14 and the tank 16 are generally arranged in a motor compartment of the vehicle.
  • the master cylinder 12 is of the tandem type.
  • the body 14 of the master cylinder has a generally cylindrical shape X axis. This body 14 delimits two conventional primary and secondary chambers connected to a hydraulic braking circuit not shown.
  • the vertical and horizontal orientations are those commonly defined from the direction given by a plumb line.
  • the reservoir 16 preferably made of plastic, is supported on a substantially horizontal seat 18 formed on a projection of the master cylinder body 14 forming a base 19.
  • the tank 16 is provided with two tabs 20 for attachment to the body 14 of the master cylinder.
  • These fastening lugs 20, which are substantially vertical, are intended to bear on two opposite, substantially vertical faces delimiting the bearing seat 18 and the base 19.
  • the lugs 20 are fixed on the bearing faces 22 to by means of conventional means comprising for example a spindle member (not shown) extending through the fastening lugs 20 and an attachment hole 24 formed in the base 19 of the master cylinder body 14.
  • This fixing orifice 24 is provided with two ends opening respectively in the two bearing faces 22.
  • the two fastening tabs 20 are integral with the reservoir 16.
  • the tank 16 is connected to the primary and secondary chambers of the master cylinder body 14 by hydraulic connection means comprising two pairs of complementary male 26 and female 28 fitting members nested one inside the other. These connecting members 26, 28 are carried by the reservoir 16 and the body 14 of the master cylinder.
  • the two pairs of complementary connecting members 26, 28 connect the reservoir 16 respectively to the two primary and secondary chambers of the body 14 of the master cylinder.
  • the two female connecting members 28 are formed in the base 19 of the master cylinder body 14 and open into the bearing seat 18. Moreover, the two male connecting members 26 are integral with each other. with the tank 16.
  • the male connecting members 26 and female 28 have generally tubular Y-axis shapes substantially parallel to a common direction E of all the connecting elements 26, 28, said interlocking direction. This interlocking direction is represented in phantom lines on the figure 2 .
  • An annular seal 30 is interposed between two complementary male 26 and female connecting members 28.
  • This seal 30 is preferably elastomeric.
  • the reservoir 16 is connected to a receptacle, not shown, for filling the reservoir with brake fluid, by means of connection means comprising in particular a connecting member 32, integral with the reservoir. 16, on which is fitted a filling duct 34 connected to the filling receptacle.
  • connection means comprising in particular a connecting member 32, integral with the reservoir. 16, on which is fitted a filling duct 34 connected to the filling receptacle.
  • the member 32 will be called filling member 32.
  • the filling receptacle in particular of volume greater than that of the tank 16, is housed at a distance from this reservoir 16, in an appropriate space of the engine compartment.
  • each filling member 32 defines a channel 36 for flowing the brake fluid having a general direction substantially orthogonal to the direction of engagement E .
  • the control device 10 also comprises two pairs of complementary male 38 and female 40 separate members of the hydraulic connection means of the reservoir 16 to the master cylinder 12, carried by the reservoir 16 and the body 14 of the master cylinder.
  • These complementary male 38 and female 40 members are nested one inside the other, substantially parallel to the interlocking direction E, to immobilize the reservoir 16 relative to the master cylinder body 14 substantially parallel to a plane perpendicular to the nesting direction E.
  • the two female immobilizing members 40 are formed in the base 19 of the master cylinder body 14 and open into the support seat 18.
  • Each female immobilizing member 40 has a general shape of revolution of axis Y '. This axis Y 'will be called later axis of the pair of complementary immobilizing members 38, 40.
  • the axes Y 'of the two pairs of immobilizing members 38, 40 are arranged on either side of the plane P, each axis Y' being offset with respect to this plane P. More particularly, the axes Y two pairs of immobilizing members 38, 40 are contained in a plane substantially perpendicular to the plane P.
  • the connecting female members 28 and the immobilizing members 40 are formed on the body 14 of the master cylinder, the male connecting members 26 and the immobilizing members 38 being carried by the reservoir 16.
  • it may be possible to distribute the female and male members differently on the master cylinder body 14 and the reservoir 16.
  • control device comprises two pairs of male and female 40 and 40 complementary immobilizing members.
  • control device 10 could comprise only one pair of immobilizing members.
  • complementary male 38 and female 40, the Y 'axis of this pair of immobilizing members 38, 40 preferably being offset with respect to the plane P containing the Y axes of the complementary connecting members 26, 28.
  • the pressurized brake fluid is introduced into the reservoir 16 and the master cylinder 12 via the filling member 32 connected to the reservoir 16.
  • the complementary immobilizing members 38, 40 arranged as described above, effectively prevent any undesirable displacement of the reservoir 16 with respect to the master cylinder body 14 substantially parallel to a plane perpendicular to the interlocking direction E , that is to say substantially parallel to the plane of the figure 1 .
  • the complementary immobilization members 38, 40 make it possible to avoid the rotation of the reservoir 16 around an imaginary instantaneous axis of rotation substantially parallel to the plane P, located near this plane P.

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Abstract

The method involves providing a catalogue to group a number of products on a graphical interface for sale, and associating every product with a tariff rule. A dialogue is established in real time between the client and the sales service for an issue, from which the client can select a product. A sales contract is constructed in real time after selection of the products and a condition for the contract is calculated. An Independent claim is also included for a software tool to form a catalogue that is apt to present on a graphical user interface.

Description

La présente invention concerne un dispositif de commande de frein à maître-cylindre.The present invention relates to a master cylinder brake control device.

On connaît déjà du document DE 4430168 , considéré comme le plus proche état de la technique, un dispositif de commande de frein pour véhicule automobile, du type comprenant un réservoir de liquide de frein porté par un corps de maître-cylindre de commande de frein et relié à ce corps par des moyens de raccordement hydraulique comportant deux paires d'organes de raccordement complémentaires mâle et femelle, emboîtés l'un dans l'autre, portés par le réservoir et le corps de maître-cylindre, ces organes de raccordement ayant des formes générales tubulaires d'axes sensiblement parallèles à une direction d'emboîtement commune aux éléments de raccordement, dite direction d'emboîtement.We already know document DE 4430168 , considered as the closest state of the art, a brake control device for a motor vehicle, of the type comprising a brake fluid reservoir carried by a master brake control cylinder body and connected to this body by means hydraulic connecting device comprising two pairs of male and female complementary connecting members, fitted one inside the other, carried by the reservoir and the master cylinder body, these connecting members having generally tubular shapes of axes substantially parallel to a joint direction common to the connecting elements, said interlocking direction.

Généralement, le maître cylindre est du type tandem, les deux paires d'organes de raccordement complémentaires reliant respectivement le réservoir à deux chambres primaire et secondaire du maître-cylindre. Le maître-cylindre est destiné habituellement à distribuer le liquide de frein sous pression dans un circuit hydraulique de freinage auquel il est raccordé.Generally, the master cylinder is of the tandem type, the two pairs of complementary connecting members respectively connecting the reservoir to two primary and secondary chambers of the master cylinder. The master cylinder is usually intended to distribute the brake fluid under pressure in a hydraulic braking circuit to which it is connected.

De façon classique, les deux organes de raccordement femelles sont ménagés dans le corps de maître-cylindre et débouchent dans un siège d'appui du réservoir sur ce corps. L'étanchéité entre chaque organe de raccordement femelle et l'organe de raccordement mâle correspondant est assurée par un joint annulaire d'étanchéité intercalé entre ces organes de raccordement complémentaires. Ce joint est habituellement en matériau déformable élastiquement, notamment en élastomère.Conventionally, the two female connecting members are formed in the master cylinder body and open into a bearing seat of the reservoir on the body. The seal between each female connection member and the corresponding male connection member is provided by an annular sealing gasket interposed between these complementary connecting members. This seal is usually made of elastically deformable material, especially elastomer.

Habituellement, le remplissage du circuit hydraulique de freinage est effectué sur la chaîne de montage du véhicule par introduction du liquide de frein à pression élevée (par exemple 10 bars) dans le réservoir porté par le maître-cylindre.Usually, the filling of the hydraulic brake circuit is performed on the vehicle assembly line by introducing the high pressure brake fluid (for example 10 bar) into the tank carried by the master cylinder.

Or, sous l'effet de la circulation du liquide de frein sous pression élevée, le réservoir subit des contraintes tendant notamment à le déplacer par rapport au corps de maître-cylindre sensiblement parallèlement à un plan perpendiculaire à la direction d'emboîtement des organes de raccordement. De ce fait, les joints d'étanchéité intercalés entre les organes de raccordement complémentaires sont déformés de façon à présenter deux parties diamétralement opposées dont l'une est comprimée entre les bords complémentaires des organes de raccordement mâle et femelle et l'autre est desserrée du bord de l'organe femelle créant ainsi une fuite indésirable de liquide de frein.However, under the effect of the circulation of the brake fluid under high pressure, the reservoir undergoes stresses tending in particular to move it relative to the master cylinder body substantially parallel to a plane perpendicular to the direction of engagement of the actuating members. connection. As a result, the seals inserted between the complementary connecting members are deformed so as to have two diametrically opposite parts, one of which is compressed between the complementary edges of the male and female connection members and the other is loosened by edge of the female member thus creating an undesirable leakage of brake fluid.

L'invention a notamment pour but de limiter les risques de fuite de liquide de frein entre les organes de raccordement mâle et femelle lors du remplissage du circuit hydraulique de freinage sous pression élevée.The invention is in particular to limit the risk of brake fluid leakage between the male and female connection members during filling of the hydraulic circuit under high pressure braking.

La présente invention concerne un dispositif de commande de frein à maître-cylindre. Le document DE44 30168 est consideré comme le plus proche état de la technique dans l'état de la technique un dispositif de commande de frein pour véhicule automobile, du type comprenant un réservoir de liquide de frein porté par un corps de maître-cylindre de commande de frein et relié à ce corps par des moyens de raccordement hydraulique comportant deux paires d'organes de raccordement complémentaires mâle et femelle, emboîtés l'un dans l'autre, portés par le réservoir et le corps de maître-cylindre, ces organes de raccordement ayant des formes générales tubulaires d'axes sensiblement parallèles à une direction d'emboîtement commune aux éléments de raccordement, dite direction d'emboîtement.The present invention relates to a master cylinder brake control device. The document DE44 30168 is considered as the closest state of the art in the state of the art a brake control device for a motor vehicle, of the type comprising a brake fluid reservoir carried by a brake control master cylinder body and connected to this body by hydraulic connection means comprising two pairs of complementary male and female connecting members, fitted into one another, carried by the reservoir and the master cylinder body, these connecting members having shapes tubular general axes substantially parallel to a joint direction common to the connecting elements, said interlocking direction.

Généralement, le maître cylindre est du type tandem, les deux paires d'organes de raccordement complémentaires reliant respectivement le réservoir à deux chambres primaire et secondaire du maître-cylindre. Le maître-cylindre est destiné habituellement à distribuer le liquide de frein sous pression dans un circuit hydraulique de freinage auquel il est raccordé.Generally, the master cylinder is of the tandem type, the two pairs of complementary connecting members respectively connecting the reservoir to two primary and secondary chambers of the master cylinder. The master cylinder is usually intended to distribute the brake fluid under pressure in a hydraulic braking circuit to which it is connected.

De façon classique, les deux organes de raccordement femelles sont ménagés dans le corps de maître-cylindre et débouchent dans un siège d'appui du réservoir sur ce corps. L'étanchéité entre chaque organe de raccordement femelle et l'organe de raccordement mâle correspondant est assurée par un joint annulaire d'étanchéité intercalé entre ces organes de raccordement complémentaires. Ce joint est habituellement en matériau déformable élastiquement, notamment en élastomère.Conventionally, the two female connecting members are formed in the master cylinder body and open into a bearing seat of the reservoir on the body. The seal between each female connection member and the corresponding male connection member is provided by an annular sealing gasket interposed between these complementary connecting members. This seal is usually made of elastically deformable material, especially elastomer.

Habituellement, le remplissage du circuit hydraulique de freinage est effectué sur la chaîne de montage du véhicule par introduction du liquide de frein à pression élevée (par exemple 10 bars) dans le réservoir porté par le maître-cylindre.Usually, the filling of the hydraulic brake circuit is performed on the vehicle assembly line by introducing the high pressure brake fluid (for example 10 bar) into the tank carried by the master cylinder.

Or, sous l'effet de la circulation du liquide de frein sous pression élevée, le réservoir subit des contraintes tendant notamment à le déplacer par rapport au corps de maître-cylindre sensiblement parallèlement à un plan perpendiculaire à la direction d'emboîtement des organes de raccordement. De ce fait, les joints d'étanchéité intercalés entre les organes de raccordement complémentaires sont déformés de façon à présenter deux parties diamétralement opposées dont l'une est comprimée entre les bords complémentaires des organes de raccordement mâle et femelle et l'autre est desserrée du bord de l'organe femelle créant ainsi une fuite indésirable de liquide de frein.However, under the effect of the circulation of the brake fluid under high pressure, the reservoir undergoes stresses tending in particular to move it relative to the master cylinder body substantially parallel to a plane perpendicular to the direction of engagement of the actuating members. connection. As a result, the seals inserted between the complementary connecting members are deformed so as to have two diametrically opposite parts, one of which is compressed between the complementary edges of the male and female connection members and the other is loosened by edge of the female member thus creating an undesirable leakage of brake fluid.

L'invention a notamment pour but de limiter les risques de fuite de liquide de frein entre les organes de raccordement mâle et femelle lors du remplissage du circuit hydraulique de freinage sous pression élevée.The invention is in particular to limit the risk of brake fluid leakage between the male and female connection members during filling of the hydraulic circuit under high pressure braking.

A cet effet, l'invention a pour objet un dispositif de commande de frein pour véhicule automobile, du type précité, caractérisé en ce qu'il comprend au moins une paire d'organes complémentaires mâle et femelle, distincts des moyens de raccordement hydraulique, portés par le réservoir et le corps de maître-cylindre, emboîtés l'un dans l'autre sensiblement parallèlement à la direction d'emboîtement pour immobiliser le réservoir par rapport au corps de maître-cylindre sensiblement parallèlement à un plan perpendiculaire à la direction d'emboîtement.For this purpose, the subject of the invention is a brake control device for a motor vehicle, of the aforementioned type, characterized in that it comprises at least one pair of complementary male and female members, distinct from the hydraulic connection means, carried by the reservoir and the master cylinder body, nested one in the other substantially parallel to the direction of engagement to immobilize the reservoir relative to the master cylinder body substantially parallel to a plane perpendicular to the direction of nesting.

Suivant d'autres caractéristiques de ce dispositif de commande de frein :

  • un des organes d'immobilisation a une forme générale de révolution d'axe décalé par rapport à un plan contenant les axes des organes de raccordement ;
  • le dispositif comprend deux paires d'organes d'immobilisation complémentaires mâle et femelle emboîtés l'un dans l'autre ;
  • un des organes d'immobilisation de chaque paire a une forme générale de révolution d'axe, appelé axe de la paire d'organes d'immobilisation, décalé par rapport à un plan contenant les axes des organes de raccordement ;
  • les axes des paires d'organes d'immobilisation sont disposés de part et d'autre du plan contenant les axes des organes de raccordement ;
  • un joint annulaire d'étanchéité, notamment en élastomère, est intercalé entre les organes de raccordement complémentaires ;
  • le réservoir est en appui sur un siège sensiblement horizontal ménagé sur le corps de maître cylindre ;
  • les deux organes de raccordement femelles sont ménagés dans le corps de maître-cylindre et débouchent dans le siège d'appui ;
  • les deux organes d'immobilisation femelles sont ménagés dans le corps de maître-cylindre et débouchent dans le siège d'appui ;
  • le réservoir est muni de deux pattes de fixation sur le corps de maître-cylindre en appui sur deux faces opposées sensiblement verticales délimitant le siège d'appui ;
  • le maître cylindre est du type tandem, les deux paires d'organes de raccordement complémentaires reliant respectivement le réservoir à deux chambres primaire et secondaire du maître cylindre ;
  • le réservoir comprend au moins un organe de raccordement à un conduit de remplissage de ce réservoir en liquide de frein, cet organe de raccordement délimitant un canal d'écoulement du liquide frein ayant une direction générale sensiblement orthogonale à la direction d'emboîtement.
According to other features of this brake control device:
  • one of the immobilizing members has a general shape of axis revolution offset from a plane containing the axes of the connecting members;
  • the device comprises two pairs of male and female complementary immobilization members nested one inside the other;
  • one of the immobilizing members of each pair has a general shape of axis revolution, called axis of the pair of immobilizing members, offset with respect to a plane containing the axes of the connecting members;
  • the axes of the pairs of immobilizing members are arranged on either side of the plane containing the axes of the connecting members;
  • an annular seal, particularly of elastomer, is interposed between the complementary connecting members;
  • the reservoir is supported on a substantially horizontal seat formed on the master cylinder body;
  • the two female connecting members are formed in the master cylinder body and open into the support seat;
  • the two female immobilizing members are formed in the master cylinder body and open into the support seat;
  • the tank is provided with two fixing lugs on the master cylinder body bearing on two substantially vertical opposite faces delimiting the bearing seat;
  • the master cylinder is of the tandem type, the two pairs of complementary connecting members respectively connecting the tank to two primary and secondary chambers of the master cylinder;
  • the reservoir comprises at least one connecting member to a filling line of the brake fluid reservoir, this connecting member defining a flow channel of the brake fluid having a general direction substantially orthogonal to the direction of engagement.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins dans lesquels :

  • la figure 1 est une vue de dessus du dispositif de commande de frein selon l'invention, le réservoir de liquide de frein étant représenté en traits mixtes ;
  • les figure 2 et 3 sont des vues en perspectives, selon deux points de vue différents, du dispositif de commande de frein selon l'invention, dans lesquelles le réservoir est représenté séparé du maître-cylindre.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the drawings in which:
  • the figure 1 is a top view of the brake control device according to the invention, the brake fluid reservoir being shown in phantom;
  • the figure 2 and 3 are perspective views, according to two different points of view, of the brake control device according to the invention, in which the reservoir is shown separated from the master cylinder.

On a représenté sur les figures 1 à 3 un dispositif de commande de frein pour véhicule automobile, selon l'invention, désigné par la référence générale 10.We have shown on Figures 1 to 3 a brake control device for a motor vehicle, according to the invention, designated by the general reference 10.

Le dispositif de commande 10 comprend un maître-cylindre 12 muni d'un corps 14 portant un réservoir 16 de liquide de frein. Le corps 14 et le réservoir 16 sont généralement agencés dans un compartiment moteur du véhicule.The control device 10 comprises a master cylinder 12 provided with a body 14 carrying a reservoir 16 of brake fluid. The body 14 and the tank 16 are generally arranged in a motor compartment of the vehicle.

Le maître-cylindre 12 est de type tandem. Le corps 14 du maître-cylindre a une forme générale cylindrique d'axe X. Ce corps 14 délimite deux chambres primaire et secondaire classiques raccordées à un circuit hydraulique de freinage non représenté.The master cylinder 12 is of the tandem type. The body 14 of the master cylinder has a generally cylindrical shape X axis. This body 14 delimits two conventional primary and secondary chambers connected to a hydraulic braking circuit not shown.

Dans ce qui suit, les orientations verticale et horizontale sont celles couramment définies à partir de la direction donnée par un fil à plomb.In the following, the vertical and horizontal orientations are those commonly defined from the direction given by a plumb line.

Le réservoir 16, de préférence en plastique, est en appui sur un siège 18, sensiblement horizontal, ménagé sur une saillie du corps 14 de maître-cylindre formant une embase 19.The reservoir 16, preferably made of plastic, is supported on a substantially horizontal seat 18 formed on a projection of the master cylinder body 14 forming a base 19.

Le réservoir 16 est muni de deux pattes 20 de fixation sur le corps 14 de maître-cylindre. Ces pattes de fixation 20, sensiblement verticales, sont destinées à venir en appui sur deux faces opposées 22, sensiblement verticales, délimitant le siège d'appui 18 et l'embase 19. Les pattes 20 sont fixées sur les faces d'appui 22 à l'aide de moyens classiques comprenant par exemple un organe formant broche (non représenté) s'étendant à travers les pattes de fixation 20 et un orifice de fixation 24 ménagé dans l'embase 19 du corps 14 de maître-cylindre. Cet orifice de fixation 24 est muni de deux extrémités débouchant respectivement dans les deux faces d'appui 22.The tank 16 is provided with two tabs 20 for attachment to the body 14 of the master cylinder. These fastening lugs 20, which are substantially vertical, are intended to bear on two opposite, substantially vertical faces delimiting the bearing seat 18 and the base 19. The lugs 20 are fixed on the bearing faces 22 to by means of conventional means comprising for example a spindle member (not shown) extending through the fastening lugs 20 and an attachment hole 24 formed in the base 19 of the master cylinder body 14. This fixing orifice 24 is provided with two ends opening respectively in the two bearing faces 22.

De préférence, les deux pattes de fixation 20 sont venues de matière avec le réservoir 16.Preferably, the two fastening tabs 20 are integral with the reservoir 16.

Le réservoir 16 est relié aux chambres primaire et secondaire du corps 14 de maître-cylindre par des moyens de raccordement hydraulique comportant deux paires d'organes de raccordement complémentaires mâle 26 et femelle 28 emboîtés l'un dans l'autre. Ces organes de raccordement 26, 28 sont portés par le réservoir 16 et le corps 14 de maître-cylindre.The tank 16 is connected to the primary and secondary chambers of the master cylinder body 14 by hydraulic connection means comprising two pairs of complementary male 26 and female 28 fitting members nested one inside the other. These connecting members 26, 28 are carried by the reservoir 16 and the body 14 of the master cylinder.

Les deux paires d'organes de raccordement complémentaires 26, 28 relient le réservoir 16 respectivement aux deux chambres primaire et secondaire du corps 14 de maître-cylindre.The two pairs of complementary connecting members 26, 28 connect the reservoir 16 respectively to the two primary and secondary chambers of the body 14 of the master cylinder.

Dans l'exemple illustré, les deux organes de raccordement femelles 28 sont ménagés dans l'embase 19 du corps 14 de maître-cylindre et débouchent dans le siège d'appui 18. Par ailleurs les deux organes de raccordement mâles 26 sont venus de matière avec le réservoir 16.In the illustrated example, the two female connecting members 28 are formed in the base 19 of the master cylinder body 14 and open into the bearing seat 18. Moreover, the two male connecting members 26 are integral with each other. with the tank 16.

Les organes de raccordement mâles 26 et femelles 28 ont des formes générales tubulaires d'axe Y sensiblement parallèles à une direction E d'emboîtement commune à tous les éléments de raccordement 26, 28, dite direction d'emboîtement. Cette direction d'emboîtement est représentée en traits mixtes sur la figure 2.The male connecting members 26 and female 28 have generally tubular Y-axis shapes substantially parallel to a common direction E of all the connecting elements 26, 28, said interlocking direction. This interlocking direction is represented in phantom lines on the figure 2 .

En se référant à la figure 1, on voit que l'axe X du corps 14 de maître-cylindre et les axes Y des organes de raccordement 26, 28 sont contenus dans un même plan P sensiblement vertical.Referring to the figure 1 it can be seen that the axis X of the master cylinder body 14 and the Y axes of the connecting members 26, 28 are contained in a same substantially vertical plane P.

Un joint annulaire d'étanchéité 30 est intercalé entre deux organes de raccordement complémentaires mâle 26 et femelle 28. Ce joint 30 est de préférence en élastomère.An annular seal 30 is interposed between two complementary male 26 and female connecting members 28. This seal 30 is preferably elastomeric.

Dans l'exemple illustré, le réservoir 16 est raccordé à un réceptacle, non représenté, de remplissage de ce réservoir en liquide de frein, par l'intermédiaire de moyens de raccordement comprenant notamment un organe de raccordement 32, venu de matière avec le réservoir 16, sur lequel est emmanché un conduit de remplissage 34 raccordé au réceptacle de remplissage. Dans ce qui suit, l'organe 32 sera appelé organe de remplissage 32.In the example illustrated, the reservoir 16 is connected to a receptacle, not shown, for filling the reservoir with brake fluid, by means of connection means comprising in particular a connecting member 32, integral with the reservoir. 16, on which is fitted a filling duct 34 connected to the filling receptacle. In what follows, the member 32 will be called filling member 32.

Le réceptacle de remplissage, notamment de volume supérieur à celui du réservoir 16, est logé à distance de ce réservoir 16, dans un espace approprié du compartiment moteur.The filling receptacle, in particular of volume greater than that of the tank 16, is housed at a distance from this reservoir 16, in an appropriate space of the engine compartment.

Dans l'exemple illustré, le réservoir 16 est muni de deux conduits de remplissage 32. On notera que chaque organe de remplissage 32 délimite un canal 36 d'écoulement du liquide de frein ayant une direction générale sensiblement orthogonale à la direction d'emboîtement E.In the example illustrated, the tank 16 is provided with two filling ducts 32. It will be noted that each filling member 32 defines a channel 36 for flowing the brake fluid having a general direction substantially orthogonal to the direction of engagement E .

Le dispositif de commande 10 comprend également deux paires d'organes complémentaires mâle 38 et femelle 40 distincts des moyens de raccordement hydrauliques du réservoir 16 au maître-cylindre 12, portés par le réservoir 16 et le corps 14 de maître-cylindre.The control device 10 also comprises two pairs of complementary male 38 and female 40 separate members of the hydraulic connection means of the reservoir 16 to the master cylinder 12, carried by the reservoir 16 and the body 14 of the master cylinder.

Ces organes complémentaires mâle 38 et femelle 40 sont emboîtés l'un dans l'autre, sensiblement parallèlement à la direction d'emboîtement E, pour immobiliser le réservoir 16 par rapport au corps 14 de maître-cylindre sensiblement parallèlement à un plan perpendiculaire à la direction d'emboîtement E.These complementary male 38 and female 40 members are nested one inside the other, substantially parallel to the interlocking direction E, to immobilize the reservoir 16 relative to the master cylinder body 14 substantially parallel to a plane perpendicular to the nesting direction E.

Dans l'exemple décrit, les deux organes d'immobilisation femelles 40 sont ménagés dans l'embase 19 du corps 14 de maître-cylindre et débouchent dans le siège d'appui 18.In the example described, the two female immobilizing members 40 are formed in the base 19 of the master cylinder body 14 and open into the support seat 18.

Chaque organe d'immobilisation femelle 40 a une forme générale de révolution d'axe Y'. Cet axe Y' sera appelé par la suite axe de la paire d'organes d'immobilisation complémentaires 38, 40.Each female immobilizing member 40 has a general shape of revolution of axis Y '. This axis Y 'will be called later axis of the pair of complementary immobilizing members 38, 40.

On notera que les axes Y' des deux paires d'organes d'immobilisation 38, 40 sont disposés de part et d'autre du plan P, chaque axe Y' étant décalé par rapport à ce plan P. Plus particulièrement, les axes Y' des deux paires d'organes d'immobilisation 38, 40 sont contenus dans un plan sensiblement perpendiculaire au plan P.It will be noted that the axes Y 'of the two pairs of immobilizing members 38, 40 are arranged on either side of the plane P, each axis Y' being offset with respect to this plane P. More particularly, the axes Y two pairs of immobilizing members 38, 40 are contained in a plane substantially perpendicular to the plane P.

Dans l'exemple illustré, les organes femelles de raccordement 28 et d'immobilisation 40 sont ménagés sur le corps 14 de maître-cylindre, les organes mâles de raccordement 26 et d'immobilisation 38 étant portés par le réservoir 16. En variante, il pourrait être possible de répartir différemment les organes femelles et mâles sur le corps 14 de maître-cylindre et le réservoir 16.In the illustrated example, the connecting female members 28 and the immobilizing members 40 are formed on the body 14 of the master cylinder, the male connecting members 26 and the immobilizing members 38 being carried by the reservoir 16. As a variant, it It may be possible to distribute the female and male members differently on the master cylinder body 14 and the reservoir 16.

Dans l'exemple illustré, le dispositif de commande comprend deux paires d'organes d'immobilisation complémentaires mâle 38 et femelle 40. Toutefois, en variante, le dispositif de commande 10 pourrait ne comporter qu'une seule paire d'organes d'immobilisation complémentaires mâle 38 et femelle 40, l'axe Y' de cette paire d'organes d'immobilisation 38, 40 étant de préférence décalé par rapport au plan P contenant les axes Y des organes complémentaires de raccordement 26, 28.In the example illustrated, the control device comprises two pairs of male and female 40 and 40 complementary immobilizing members. However, as a variant, the control device 10 could comprise only one pair of immobilizing members. complementary male 38 and female 40, the Y 'axis of this pair of immobilizing members 38, 40 preferably being offset with respect to the plane P containing the Y axes of the complementary connecting members 26, 28.

Pour remplir le circuit hydraulique de freinage raccordé au maître-cylindre 12, on introduit le liquide de frein sous pression dans le réservoir 16 et le maître-cylindre 12 par l'intermédiaire de l'organe de remplissage 32 raccordé au réservoir 16.To fill the hydraulic brake circuit connected to the master cylinder 12, the pressurized brake fluid is introduced into the reservoir 16 and the master cylinder 12 via the filling member 32 connected to the reservoir 16.

Les organes d'immobilisation complémentaires 38, 40, agencés comme décrit ci-dessus, permettent d'éviter efficacement tout déplacement indésirable du réservoir 16 par rapport au corps 14 de maître-cylindre sensiblement parallèlement à un plan perpendiculaire à la direction d'emboîtement E, c'est-à-dire sensiblement parallèlement au plan de la figure 1. En particulier, les organes d'immobilisation complémentaires 38, 40 permettent d'éviter la rotation du réservoir 16 autour d'un axe imaginaire instantané de rotation sensiblement parallèle au plan P, situé à proximité de ce plan P.The complementary immobilizing members 38, 40, arranged as described above, effectively prevent any undesirable displacement of the reservoir 16 with respect to the master cylinder body 14 substantially parallel to a plane perpendicular to the interlocking direction E , that is to say substantially parallel to the plane of the figure 1 . In particular, the complementary immobilization members 38, 40 make it possible to avoid the rotation of the reservoir 16 around an imaginary instantaneous axis of rotation substantially parallel to the plane P, located near this plane P.

On évite ainsi les risques de fuite de liquide de frein entre les organes de raccordement mâles et femelles lors du remplissage du circuit hydraulique de freinage sous pression élevée.This avoids the risk of brake fluid leakage between the male and female connecting members during filling of the hydraulic circuit under high pressure braking.

Claims (12)

  1. A brake control device for a motor vehicle, the device being of the type comprising a brake fluid reservoir (16) carried by a body (14) of a brake control master cylinder (12) and coupled to said body (14) via hydraulic coupling means comprising two pairs of complementary male and female coupling members (26, 28), with the members in each pair being interfitted one in the other, and being carried by the reservoir (16) and by the body (14) of the master cylinder (12), said coupling members (26, 28) being generally tubular in shape about axes (Y) that are substantially parallel to an "interfitting direction" (E) that is common to the coupling elements (26, 28), said brake control device being characterized in that it further comprises at least one pair of complementary male and female members (38, 40) that are distinct from the hydraulic coupling means (26, 28), that are carried by the reservoir (16) and by the body (14) of the master cylinder (12), and that are interfitted one in the other substantially parallel to the interfitting direction (E) for the purpose of securing the reservoir (16) so that it is held stationary relative to the body (14) of the master cylinder (12) substantially parallel to a plane that is perpendicular to the interfitting direction (E).
  2. A device according to claim 1, characterized in that at least one of the securing members (40) has a general shape that is circularly symmetrical about an axis (Y') that is offset relative to the plane (P) containing the axes (Y) of the coupling members (26, 28).
  3. A device according to claim 1 or claim 2, characterized in that it comprises two pairs of complementary male and female securing members (38, 40), the members of each pair being interfitted one in the other.
  4. A device according to claim 3, characterized in that at least one of the securing members (40) of each pair has a general shape that is circularly symmetrical about an "axis (Y') of the pair of securing members", which axis is offset relative to a plane (P) containing the axes (Y) of the coupling members (26, 28).
  5. A device according to claim 4, characterized in that the axes (Y') of the pairs of securing members are disposed on either side of the plane (P) containing the axes of the coupling members.
  6. A device according to any preceding claim, characterized in that an annular sealing gasket (30), in 15 particular a gasket made of elastomer, is interposed between the complementary coupling members (26, 28).
  7. A device according to any preceding claim, characterized in that the reservoir (16) bears against a 20 seat (18) that is substantially horizontal and that is provided on the body (14) of the master cylinder (12).
  8. A device according to claim 7, characterized in that the two female coupling members (28) are provided in the 25 body (14) of the master cylinder (12) and they open out in the bearing seat (18).
  9. A device according to claim 7 or claim 8, characterized in that the two female securing members (40) are provided in the body (14) of the master cylinder (12) and they open out in the bearing seat (18) .
  10. A device according to any one of claims 7 to 9, characterized in that the reservoir (16) is provided with 35 two fastening tabs (20) for fastening to the body (14) of the master cylinder (12) while bearing against two substantially vertical opposite faces (22) defining the bearing seat (18).
  11. A device according to any preceding claim, characterized in that the master cylinder (12) is of the tandem type, the two pairs of complementary coupling members (26, 28) respectively coupling the reservoir (16) to a primary chamber and to a secondary chamber of the master cylinder (12).
  12. A device according to any preceding claim, characterized in that the reservoir (16) is provided with at least one coupling member (32) for coupling to a filling pipe (34) for filling said reservoir (16) with brake fluid, said coupling member (32) defining a channel (36) through which the brake fluid can flow and which extends in a general direction that is substantially orthogonal to the interfitting direction (E).
EP03785845A 2002-12-20 2003-12-17 Master cylinder brake control device Expired - Lifetime EP1578652B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0216450A FR2849239A1 (en) 2002-12-20 2002-12-20 Real time sales contract establishing method for product, involves establishing dialogue in real time between client and sales service for selection of product by client, and constructing sales contract after selection of product
FR0216450 2002-12-20
PCT/EP2003/014359 WO2004056635A1 (en) 2002-12-20 2003-12-17 Master cylinder brake control device

Publications (2)

Publication Number Publication Date
EP1578652A1 EP1578652A1 (en) 2005-09-28
EP1578652B1 true EP1578652B1 (en) 2008-07-23

Family

ID=32406344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03785845A Expired - Lifetime EP1578652B1 (en) 2002-12-20 2003-12-17 Master cylinder brake control device

Country Status (7)

Country Link
EP (1) EP1578652B1 (en)
AT (1) ATE402052T1 (en)
AU (2) AU2003299238A1 (en)
DE (1) DE60322429D1 (en)
ES (1) ES2310254T3 (en)
FR (1) FR2849239A1 (en)
WO (2) WO2004057504A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108959241A (en) * 2018-03-28 2018-12-07 厦门快商通信息技术有限公司 A kind of contract automatic generation method based on session log, social software

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8815245U1 (en) * 1988-02-01 1989-06-01 Lucas Industries P.L.C., Birmingham, West Midlands Actuating device for vehicle braking systems
DE4430168B4 (en) * 1994-08-25 2004-12-02 Robert Bosch Gmbh vehicle brake system
DE19642239C2 (en) * 1995-12-20 2003-04-17 Ulrich Schroeder Method for filling a brake fluid reservoir, brake fluid reservoir and device for filling or emptying a brake fluid reservoir
JP2001138893A (en) * 1999-11-17 2001-05-22 Aisin Seiki Co Ltd Brake master cylinder

Also Published As

Publication number Publication date
ATE402052T1 (en) 2008-08-15
WO2004056635A1 (en) 2004-07-08
AU2003299238A1 (en) 2004-07-14
AU2003294872A1 (en) 2004-07-14
ES2310254T3 (en) 2009-01-01
WO2004057504A2 (en) 2004-07-08
WO2004057504A8 (en) 2004-10-21
DE60322429D1 (en) 2008-09-04
EP1578652A1 (en) 2005-09-28
FR2849239A1 (en) 2004-06-25

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